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Author:Sillanpää, Pekka
Title:Distributed Digital Identity Systems - Peer-to-peer perspective
Hajautetut identiteettijärjestelmät - Vertaisverkkomainen näkökulma
Publication type:Master's thesis
Publication year:2007
Pages:71      Language:   eng
Department/School:Tietotekniikan osasto
Main subject:Tietokoneverkot   (T-110)
Supervisor:Asokan, N.
Instructor:Särs, Jonna
OEVS:
Electronic archive copy is available via Aalto Thesis Database.
Instructions

Reading digital theses in the closed network of the Aalto University Harald Herlin Learning Centre

In the closed network of Learning Centre you can read digital and digitized theses not available in the open network.

The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/

You can read theses on the Learning Centre customer computers, which are available on all floors.

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    Aalto Thesis Database

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Location:P1 Ark Aalto  8105   | Archive
Keywords:identity systems
distributed
identification
authentication
access control
SSO
P2P
identiteettijärjestelmät
hajautettu
tunnistus
todennus
pääsynvalvonta
Abstract (eng): Many identity systems have emerged to answer the needs for identifying principals in the Internet.
These systems allow principals to have identity providers asserting their identity properties to the communicating party.
The communicating party is usually an entity providing access to information resources, such as WWW-pages, but requires the principals to be authenticated before they can be granted access.

Identity systems remove the need for remembering multiple usernames and passwords for various sites, since the system takes care of the identification and authentication process.
The principal is usually able to see the data which the identity provider asserts to the communicating party about the principal's identity properties.
The identity and authenticity of the principal has to be verified once per session by the identity provider before this_ is possible.
Therefore, these systems are also known as Single Sign-On systems.

Distributed identity systems are not dependent on any centralized identity databases, which means that anybody could be an identity provider.
However, it would not be feasible to-trust just anybody as the identity provider.
The entity asserting identity should be trustworthy.
To decide on the identity provider's trustworthiness, a trust framework is required.

In this thesis we have researched different distributed identity systems and trust frameworks.
We also researched the possibility of distributing the trust framework in a specific peer-to-peer manner.

We also specified and implemented a proof-of-concept of a peer-to-peer based identity system that supposedly could work also as a multi-purpose secure Internet application protocol.
ED:2007-04-30
INSSI record number: 33744
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